Infection with SARS-CoV-2 can lead to symptoms that last for weeks, months, or even years, and scientists are only just beginning to understand why. The long-term effects of COVID-19 have been reported to affect nearly every organ system. The type, severity, and duration of the symptoms vary across individuals, and researchers still know little about the mechanisms of long COVID.

Nat Med, 27:601–15, 2021; Nature, 594:259–64, 2021; medRxiv, doi:10.1101/2020.12.24.20248802 2021

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Online only cover of the The Scientist, September 2021 issue

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